If a light ray is relflected off the shiny surface at 170 degrees, at what angle did the light ray first strike the surface?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Mon wants to make 5 lbs of the sugar syrup. how much water and how much sugar does he need… …to make 5% syrup?